Table 1. Descriptive characteristics of the study patients.
Features | All patients (n=12) | |
---|---|---|
Mean ± SD/n | Range/% | |
Patient characteristics | ||
Age, years | 71.1±9.2 | 52–84 |
Gender, male | 10 | 83.3 |
Smoker, yes | 12 | 100.0 |
Adenocarcinoma | 9 | 75.0 |
Squamous cell carcinoma | 3 | 25.0 |
Stage I | 2 | 16.7 |
Stage II | 4 | 33.3 |
Stage III | 6 | 50.0 |
FACS analysis, % | ||
ALDH+ | 4.6±3.8 | 0.7–12.5 |
CD3+ | 10.8±9.1 | 1.0–25.7 |
CD4+ | 5.3±5.7 | 0.2–18.6 |
CD8+ | 3.2±3.0 | 0.5–10.9 |
Immunohistochemistry by CD3, CD4, CD8 (15) (n=8) | ||
CD3+ | ||
No or sporadic | 1 | 12.5 |
Moderate | 6 | 75.0 |
Abundant | 1 | 12.5 |
CD4+ | ||
No or sporadic | 2 | 25.0 |
Moderate | 5 | 62.5 |
Abundant | 1 | 12.5 |
CD8+ | ||
No or sporadic | 4 | 50.0 |
Moderate | 4 | 50.0 |
Abundant | 0 | 0 |
SD, standard deviation; FACS, fluorescence-activated cell sorting.